Crop PDF Margins — Auto-Crop White Borders Online
Automatically detect and crop white borders from your PDF pages for a clean, compact result.
Drag files here or click to browse
Formats: .pdf.
How to crop PDF margins
- 1Upload your PDF file
- 2Choose auto mode (threshold + padding) or manual mode (custom margins)
- 3Click 'Crop Margins'
- 4Download the cropped PDF
FAQ
What is the threshold setting?
Threshold controls how close to white a pixel must be to be considered background. Raise it to crop more aggressively.
Can I add padding after cropping?
Yes. Set padding to preserve a small margin around the content.